package com.java.springcloud.service.impl;

import cn.hutool.core.util.IdUtil;
import com.java.springcloud.service.IMessageProvider;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.messaging.MessageChannel;

import javax.annotation.Resource;

/**
 * @author jingjintao
 * @date 2021/8/15 - 16:50
 **/
@EnableBinding(Source.class) //定义消息的推送管道
public class MessageProviderImpl implements IMessageProvider {

    @Resource
    private MessageChannel output;   // 消息发送管道

    @Override
    public String send() {
        String serial = IdUtil.simpleUUID();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("***********serial:"+serial);
        return null;
    }
}
